Professional Youtube Thumbnail Design to Boost Video Views

I am looking for a talented graphic designer to create an engaging and high-converting YouTube thumbnail. The primary goal of this thumbnail is to significantly increase click-through rates and ultimately boost video views. The design should be eye-catching, relevant to the video content (which will be provided), and optimized for visibility across various devices and platforms. I need a creative professional who understands current YouTube trends and best practices for thumbnail design to ensure maximum impact. Please provide examples of previous YouTube thumbnail work in your proposal.